Region List
- K9H 4J4 - Peterborough, Peterborough, Ontario
- K9H 4J5 - Peterborough, Peterborough, Ontario
- K9H 4J6 - Peterborough, Peterborough, Ontario
- K9H 4J7 - Peterborough, Peterborough, Ontario
- K9H 4J8 - Peterborough, Peterborough, Ontario
- K9H 4J9 - Peterborough, Peterborough, Ontario
- K9H 4K1 - Peterborough, Peterborough, Ontario
- K9H 4K2 - Peterborough, Peterborough, Ontario
- K9H 4K3 - Peterborough, Peterborough, Ontario
- K9H 4K4 - Peterborough, Peterborough, Ontario
- K9H 4K5 - Peterborough, Peterborough, Ontario
- K9H 4K6 - Peterborough, Peterborough, Ontario
- K9H 4K7 - Peterborough, Peterborough, Ontario
- K9H 4K8 - Peterborough, Peterborough, Ontario
- K9H 4K9 - Peterborough, Peterborough, Ontario
- K9H 4L1 - Peterborough, Peterborough, Ontario
- K9H 4L2 - Peterborough, Peterborough, Ontario
- K9H 4L3 - Peterborough, Peterborough, Ontario
- K9H 4L4 - Peterborough, Peterborough, Ontario
- K9H 4L5 - Peterborough, Peterborough, Ontario